Question

Two trains are travelling in same direction with 60 km/hr and 75 km/hr respectively. The faster train crosses a man sitting in the slower train in 30 sec. Find the length of faster train

Answer 1

Relative speed = (40 - 20) km/hr = ( 20 x 5 ( m/sec = ( 50 ( m/sec.

18 9

Therefore Length of faster train = ( 50 x 5 ( m = 250 m = 27 7 m.

9

Answer 2

$\green{\mathcal {\dag Refer \: to \: the\: attachment \dag}}$